Let me tell you about Persian Onion.

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Persian Onion

Allium aflatunense

Zones 4–8

Stats
Sunfull sun
Waterlow
Grow time—
Height1–3ft
Spacing6–12in
Light
Full sun✓
Part shade✓
Shade✗
Traits
Life cycleperennial
Categorybulb
Growth habitupright
Seasoncool
Frost tolerancehardy
Height1–3ft
Spacing6–12in
Days to bloomover 150
Native us✗
Growing
Waterlow
Drainagewell drained
Soil ph min6.0
Soil ph max8.0
Propagation
Seed✓
Cutting✗
Division✗
Graft✗
Tuber bulb crown✓
Transplant✓
Container ok✓
Spreadself seeds
Deer resistant✓
Drought tolerant✓
Pollinator friendly✓
Toxic to
People—
Pets—
Livestock—
Bloom
Lengthunder 2wk
Colors
White✗
Yellow✗
Orange✗
Red✗
Pink✓
Purple✓
Blue✗
Green✗
Fragrant✗
Reblooms✗
Deadhead✗
Cut flower✓
Dried flower✗
Invasive
Statusnone
Regions
Northeast✗
Southeast✗
Midwest✗
Plains✗
Southwest✗
Mountain west✗
Pacific northwest✗
California✗
Hawaii✗
State noxious✗
Escapes cultivation✗
Calendar, zone 7
JanFebMarAprMayJunJulAugSepOctNovDec
Sownoyesyesyesnononononononono
Harvest————————————